Heavier – Popcorn or Water?

Launch:

Watch Mrs Murray standing on the egg shells.

https://www.youtube.com/watch?v=Xckhg7Ns8so

Do you think you can walk on eggs without them breaking?

What is heavier? Turn and talk

An elephant or a giraffe

An apple or a piece of chocolate

An egg or an easter egg

Explore:

What is heavier- A cup of ice or a cup of water?

Half a cup of popcorn or a cup of cooked popcorn?

Show how you worked it out- Prove which one is heavier.

How do you know it is heavier or lighter?

Enabling- Find something heavier

Extending-Prove your results showing reasoning.